Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
419-726OHOHIO BELL TEL CO (AT&T)N/A9321TOLEDOTOLDOH72DS100/00/0000Prefix Type: RBOC
Switch Name: TOLEDO 72
Switch Type: EWSD
LATA: Toledo OH (326)
Tandem: TOLDOH216GT
🔧 Explore Switch(CLLI: TOLDOH72DS1))
🕘 Prefix History
🔎 Explore Carrier Information
419-727OHOHIO BELL TEL CO (AT&T)N/A9321TOLEDOTOLDOH72DS100/00/0000Prefix Type: RBOC
Switch Name: TOLEDO 72
Switch Type: EWSD
LATA: Toledo OH (326)
Tandem: TOLDOH216GT
🔧 Explore Switch(CLLI: TOLDOH72DS1))
🕘 Prefix History
🔎 Explore Carrier Information
419-729OHOHIO BELL TEL CO (AT&T)N/A9321TOLEDOTOLDOH72DS100/00/0000Prefix Type: RBOC
Switch Name: TOLEDO 72
Switch Type: EWSD
LATA: Toledo OH (326)
Tandem: TOLDOH216GT
🔧 Explore Switch(CLLI: TOLDOH72DS1))
🕘 Prefix History
🔎 Explore Carrier Information
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